Trained as a lawyer, Mr. Philippe has worked in the private sector, including for French nuclear giant Areva and an American law firm. The appointment of Mr. Philippe, a moderate from France's mainstream right-wing party Les Republicains, is seen as a strategic move that could secure the support Mr. Macron needs to win a majority in the 577-seat National Assembly, the lower house of Parliament, which goes to the polls next month.
Now Mr Macron, a staunch Brussels supporter, will arrive in Berlin this morning armed with ideas for labour reform rather than a eurozone overhaul.
Far-left former candidate Jean-Luc Melenchon also criticised the new PM and Macron's choice, saying in a statement that "the new president has just acquired the entire traditional political class and returned to the old order".
The two talked about the European asylum system, trade relations and other issues, according to Merkel.
Furthermore, by picking a young modernizer for the prime ministerial role, the new head of state, who pledged to turn the page of the right-left ruling era, sent a strong sign of political renewal that he has bet on in order to reunite divided French citizens and make France stronger, analysts said.
Philippe won out to some other, perhaps more politically aligned, potential nominees, including former Socialist Richard Ferrand, who has been a loyal supporter of Macron since he established his independent movement previous year.
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Al Jazeera's David Chater, reporting from Paris, said Philippe is the ideal person for Macron and they share common ideals. Philippe is also relatively unknown to voters, fulfilling Macron's campaign promise to repopulate French politics with new faces.
Hours ahead of Chancellor Angela Merkel's meeting in Berlin with Macron, her spokesman Steffen Seibert said one should not read too much into the alarmist headlines.
Since 2010, Philippe has been mayor of Le Havre, France's second-largest port, which was a longtime communist stronghold before drifting to the center-right as its economy diversified.
Nicolas Bay, the party's secretary general, said Macron's government is becoming "a synthesis of the worst of the right and the worst of the left". "Germany will only do well in the long-run if Europe does well", Merkel told a news conference after a meeting of her conservative Christian Democrats (CDU), victors in a regional German vote on Sunday.
In his first speech as president on Sunday, Macron promised to restore France s shattered self-confidence and help rebuild the flagging European Union.
French President Emmanuel Macron has selected Edouard Philippe as the country's new prime minister.